Mountain Bike Derailleur Cage Length

Cage length determines the total capacity of the derailleur that is the size difference between the largest and smallest chainrings and the size difference between the largest and smallest sprockets on the cogset added together.

Mountain bike derailleur cage length. Given the fact that usually mountain bikes use cassettes with the widest ratios 11 34 we get to the following rule. Understanding rear derailleur cage length duration. A larger sum requires a longer cage length. Short cage lengths are great for single front chainrings medium for doubles and long for triples.

The 4 28kg ultralight road bike building an. 1 chainring short cage 2 chainrings medium cage 3 chainrings long cage. Most derailleurs come in your choice of three cage lengths. It is compatible with 9 speed hg cassettes 9 speed mountain shifters and 9 speed chains.

Here are some general rules to follow. The length of your derailleur s cage defines the range or spread of gears you can have on your bike the longer the cage the more slack in the chain the derailleur can take up. Road bikes with 2x cranksets use short cage derailleurs which shimano calls ss models and sram denotes in the title. The right hand gear shifter on the handlebars pulls a cable or uses electronic signals to move the derailleur which in turn moves the chain onto the appropriate cog on the cassette.

Typical cross country mountain bikes with three front chainrings will. If you use only one chainring you can use a short cage derailleur. The shimano deore 9 speed mountain bicycle derailleur is considered as one of the best mountain bike rear derailleurs of the present time. Short medium or long.

Art s cyclery 26 088 views. If considering a full overhaul see our guide on mountain bike shifters to help get the best shifter for your new setup. Long cage easier to move short cage harder to move.